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【单选题】
在何时确定了自己人生的方向？A.
柏林大学
B.
波恩大学
C.
小学
D.
中学
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举一反三
【单选题】____ the silkworm makes a liquid in its body and then squeezes it out through special holes.
A.
It makes silk
B.
Making silk
C.
To make silk
D.
Silk is made by
【判断题】Scientists long to understand just how exactly the silkworm manages the process of silk weaving, and now they’ve got a thorough knowledge of it.
A.
正确
B.
错误
【单选题】Which is not the reason why scientists long to understand just how exactly the silkworm manages the process of silk weaving?
A.
Because they want to replicate the process.
B.
Because they want to produce high-strength and high-performance materials for sports and law enforcement.
C.
Because silk is a very useful natural fiber in the world .
D.
not mentioned.
【单选题】Sacrifices to the goddesses of the silkworm evolved into the ___________.
A.
Mid-Autumn Festival
B.
summer solstice festival
C.
Yacanhua Festival
D.
Qixi Festival
【单选题】The silkworm is an insect worth_____.
A.
to study
B.
studying
C.
to be studied
D.
being studied
【简答题】Up Broadway he turned, and halted at a glittering café, where are gathered together nightly the choicest products of the gs, the silkworm and the protoplasm.
【单选题】The silkworm is an insect worth _____.
A.
to know
B.
knowing
C.
to be known
D.
being known
【判断题】The mulberry is famous for its seeds, which are the only food source that feeds the silkworm.
A.
正确
B.
错误
相关题目：
【单选题】The silkworm is an insect worth_____.
A.
to study
B.
studying
C.
to be studied
D.
being studied
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